Speedmaster PCE354.1004 valve stem seals are engineered for LS engines, featuring a robust steel and Viton construction that delivers excellent heat resistance and long-lasting sealing performance. Designed to accommodate both dual and single spring setups, these seals offer versatile compatibility for a range of LS-based builds from mild street engines to high-performance applications.
Built to fit 8mm valve stems with 0.500" guides, these seals provide a precise, leak-free fit that helps minimize oil consumption and keeps combustion chambers clean. Whether you're performing a valve job, upgrading springs, or building a fresh LS engine, Speedmaster PCE354.1004 seals are a dependable choice for quality and value.
MPNPCE354.1004
UPC840136545361
